BGP map for 205.177.208.0/21

205.177.208.0/21 is announced by AS3491 PCCW Global (HK) Ltd. and seen by 327 peers of 23 RIPE RIS collectors, over 258 different AS paths. Its busiest upstreams are AS1299 TWELVE99 (16%), AS2914 NTT America, Inc. (12%) and AS3356 Level 3 Parent, LLC (10%). The most common path, used by 9 peers, is AS24482 AS2914 AS3491.

Routes checked 17:35:45 UTC

No change in the origin, the upstreams or the number of peers since 17:25 UTC on 26 Oct, when this site first looked at 205.177.208.0/21.

AS-path graph toward 205.177.208.0/21

origin Tier 1Tier 2edge network prefix best path: chosen by 9 of 327 peers (3%) number on a line = peers using that link RIS data up to 17:35 UTC what the colours mean 12 of 258 paths drawn 4 quieter networks left out

View JSON Raw upstream

327collector peers

23RIS collectors

258distinct AS paths

3.0average AS hops, 1 to 6

Upstreams

Networks directly in front of the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	52	16%
AS2914 NTT America, Inc.	39	12%
AS3356 Level 3 Parent, LLC	33	10%
AS174 Cogent Communications, LLC	28	9%
AS9002 RETN-AS RETN Limited	16	5%
AS6461 Zayo Bandwidth	15	5%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	14	4%
AS6939 Hurricane Electric LLC	14	4%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	13	4%
AS3257 GTT-BACKBONE GTT Communications Inc.	11	3%

Transit networks

Networks between the collector peer and the origin.

Network	Peers	Share
AS1299 TWELVE99 Arelion Sweden AB	50	15%
AS2914 NTT America, Inc.	36	11%
AS3356 Level 3 Parent, LLC	33	10%
AS174 Cogent Communications, LLC	28	9%
AS6939 Hurricane Electric LLC	14	4%
AS6762 SEABONE-NET TELECOM ITALIA SPARKLE S.p.A.	12	4%
AS6453 TATA COMMUNICATIONS (AMERICA) INC	12	4%
AS9002 RETN-AS RETN Limited	12	4%
AS6461 Zayo Bandwidth	10	3%
AS3320 DTAG Deutsche Telekom AG	9	3%

AS paths

Every distinct path the collector peers use, most common first. An ASN repeated to lengthen a path (a prepend) is shown once.

#	Path, collector peer to origin	Peers	Share	Collectors
1	AS24482 AS2914 AS3491	9	3%	9
2	AS8218 AS6461 AS3491	7	2%	6
3	AS6461 AS3491	5	2%	5
4	AS199524 AS3491	5	2%	5
5	AS13030 AS3491	4	1%	4
6	AS9002 AS3491	4	1%	4
7	AS3491	3	<1%	3
8	AS2914 AS3491	3	<1%	3
9	AS49544 AS3491	3	<1%	3
10	AS34927 AS1299 AS3491	3	<1%	3
11	AS14840 AS3356 AS3491	3	<1%	2
12	AS51185 AS6762 AS3491	3	<1%	3
13	AS34019 AS3303 AS3491	3	<1%	3
14	AS3257 AS3491	2	<1%	2
15	AS6830 AS3491	2	<1%	2
16	AS3320 AS3491	2	<1%	2
17	AS1299 AS3491	2	<1%	2
18	AS14907 AS3491	2	<1%	2
19	AS6762 AS3491	2	<1%	2
20	AS2497 AS3491	2	<1%	2
21	AS917 AS60068 AS3491	2	<1%	2
22	AS25160 AS2914 AS3491	2	<1%	2
23	AS49544 AS3356 AS3491	2	<1%	1
24	AS31027 AS1299 AS3491	2	<1%	1
25	AS35710 AS3320 AS3491	2	<1%	2
26	AS8529 AS6453 AS3491	2	<1%	2
27	AS35280 AS3356 AS3491	2	<1%	2
28	AS15547 AS174 AS3491	2	<1%	2
29	AS12779 AS3257 AS3491	2	<1%	2
30	AS48362 AS9002 AS3491	2	<1%	2
31	AS47692 AS2914 AS3491	2	<1%	2
32	AS47147 AS3320 AS3491	2	<1%	2
33	AS47147 AS1299 AS3491	2	<1%	2
34	AS59890 AS3356 AS3491	2	<1%	2
35	AS271253 AS3356 AS3491	2	<1%	1
36	AS19151 AS2914 AS3491	2	<1%	2
37	AS58057 AS34549 AS2914 AS3491	2	<1%	2
38	AS142289 AS9583 AS1299 AS3491	2	<1%	1
39	AS51184 AS47692 AS2914 AS3491	2	<1%	2
40	AS20612 AS8758 AS9002 AS3491	2	<1%	1
41	AS1828 AS3491	1	<1%	1
42	AS3170 AS3491	1	<1%	1
43	AS7018 AS3491	1	<1%	1
44	AS852 AS3491	1	<1%	1
45	AS58057 AS3491	1	<1%	1
46	AS17639 AS3491	1	<1%	1
47	AS38001 AS3491	1	<1%	1
48	AS1257 AS3491	1	<1%	1
49	AS38008 AS3491	1	<1%	1
50	AS36236 AS3491	1	<1%	1

50 of 258 paths shown. All of them are in the JSON.

More prefixes from AS3491

Routes seen by RIPE RIS in the 24 hours up to 8 Nov 2026, 17:35 UTC, fetched just now.